Does anyone know if there are some kits available for the engine? I know that Volvo makes one but it's so incredibly expensive that I'm looking for an alternative. There are some aluminium kits around ebay but I think they are meant for gas engines, is there a difference?

My oil filter is nearly inaccessible on the sb engine and either I need to lift the fuel tank or find someone who is smaller than me to change the filter (would still be a hassle).

I think you are right, some of the cheap, diecast aluminum, filter mounts are not trustworthy. I have used MOROSO brand and Wix brand with success but in both cases they were mounted off the engine so the hoses took the vibration.
The hoses can be tricky too in addition to being oil compatable, they must be rated 240F continous temp rated, & 100 psi pressure rated.
Good luck.

Same problem with the filter on my Sb Volvo. I solved it when I stumbled upon a piece of lead, covered in plastic, about 18" long and 8 " wide, that allows you to fold one end against the block just below the oil filter and make a trough of the rest of it, so the oil will flow into a shallow container that is located just outside the stringer. This requires you to lay across the engine when spinning off the filter, with the shallow container and the bit of lead being held in place until you get the filter out of the way. Before finding that stuff at a NAPA store for $20, I used a plastic garbage bag held under the oil filter, but always got a mess.

Volvo makes one for the 43 series that would work. However it does not work for my 40 series as a kit, so we looked up the prices in parts. The connector (in place of original filter) was over 300 euros alone, so I think that I will bite the bullet and get innovative in how to get the old one out. Maybe even go so far to bribe someone smaller than me to crawl into the the very limited space.

Maybe the aftermarket thirdparty atuff would work but in my case this just became a longterm project...

Volvo makes one for the 43 series that would work. However it does not work for my 40 series as a kit, so we looked up the prices in parts. The connector (in place of original filter) was over 300 euros alone, so I think that I will bite the bullet and get innovative in how to get the old one out. Maybe even go so far to bribe someone smaller than me to crawl into the the very limited space.

Maybe the aftermarket thirdparty atuff would work but in my case this just became a longterm project...

Let us know if you find anything tiku, I have only a single Volvo but it is set down into the keel and have the same issue, fuel filter as well.

I feel your pain. I typically only change my oil a little more once a year, but it is indeed a real pain on this Volvo.
I would certainly be open to some kind of adapter that brings the oil out to a bulkhead where I could mount the filter.

If you guys ever come up with a nice solution for the TAMD40, I would like to get in on it too. Unfortunately, this project is still pretty far down my long list.....

The Fram site is really the best. You can see all of the other filter numbers and applications from that site. Now you test your Google skills with the cross reference engines, equipment and filter numbers. Something will pop up.

Don't know if they are suitable but have a look. You may find that by taking one of your old filters, or maybe a new clean one, and measuring the threads and mounting surface diameters that there are other units that will fit from the various filter mfgrs.
Baldwin, Fram, Donaldson, Fleetgaurd

The parts my Volvo dealer suggested were 26, 27, 28, 21these would mount to the engine. Then I think you would need to purchase item number 18 as well, or replce it with something from some filter manufacturer...

Looking at the prices on the marineparts site (which I had forgot to check) it seems they would be nearly half of what the dealer wants.